logo

For the Inventor, By the Inventor

Nagoya, Japan

Ngk Industries, Ltd.


USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 13

Loading Chart...
Loading Chart...

4 inventors (with patents filed for the assignee):

goldMedal Hirofumi Yamaguchi (1 out of 61 patents)

silverMedal Yasuyuki Ishihara (1 out of 4 patents)

bronzeMedal Mitsuaki Watanabe (1 out of 2 patents)

4.  Satoru Inoue (1 out of 10 patents)


3 patents:

1. 6805540 - Flap ventlid installing assembly, flap ventlid installing structure and installing method, and mold for molding a tire (2004-10-19),
2. 6541895 - Piezoelectric/electrostrictive film element (2003-04-01),
3. 4834640 - Extrusion-forming jig (1989-05-30),
logo

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#139 in Nagoya

#8,915 in Japan

Nagoya, JP
Nagoya, Japan

Ngk Industries, Ltd.

Forward Citations = 13

4 inventors:

goldMedal Hirofumi Yamaguchi (1 out of 61 patents)

silverMedal Yasuyuki Ishihara (1 out of 4 patents)

bronzeMedal Mitsuaki Watanabe (1 out of 2 patents)

4.  Satoru Inoue (1 out of 10 patents)

Please report any incorrect information to [email protected]
Loading…